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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
closure of the valves
systole
sodium ions and water
coronary veins
2. Relaxation
diastole
fibrullation
pressoreceptors in teh carotid and aortic sinuses
stenosis...
3. Difference between resting cardiac output adn maximum exercise cardiac output
fibrullation
cardiac reserve
is smooth to prevent abnormal clotting within the heart
endocardium
4. Natural pacemaker of the heart
diastole
fibrous epicardium
SA node
aortic and pulmonary semilunar valves
5. The centers that regulate heart rate located in the___
diastole
arrhythmias
medulla
coronary veins
6. Amount of blood pumped by a ventricle per beat
ischemia
fibrullation
atrium
stroke volume
7. Nerves that transmit impulses to decrease the heart rate are the ____
vagus nerves
medial to the lungs and superior to the diaphragm
arrhythmias
fibrous epicardium
8. Upper chamber of the heart
stenosis...
atrium
mediastinum
systole
9. Contraction of chambers of the heart
aortic and pulmonary semilunar valves
fibrullation
medial to the lungs and superior to the diaphragm
systole
10. Changes in blood pressure are detected by
aortic and pulmonary semilunar valves
cardiac output
pressoreceptors in teh carotid and aortic sinuses
SA node
11. Purpose of teh coronary vessels
aorta
supply the heart with oxygenated blood
arrhythmias
right and left atria
12. Prevents backflow of blood from the left ventricle to the left atrium
systole
stroke volume
stenosis...
bicuspid valve
13. The amount of blood that returns to teh heart
tricuspid valve
venous return
bicuspid valve
vagus nerves
14. Normal range of heart rate for a healthy adult is _____ bpm
diastole
60-80
sodium ions and water
SA node
15. Funciton of the serous fluid of teh pericardial membranes
prevent friction as the heart beats
aorta
medulla
epicardium
16. Each normal heartbeat is initiated by this
atrium
arrhythmias
SA node
stroke volume
17. Heart rate below 60 bpm
sodium ions and water
fibrous epicardium
bradycardia
tricuspid valve
18. Veins that return blood to the right atrium
superior and inferior caval veins
ECG
systole
aorta
19. Vessel into which the left ventricle pumps blood
medulla
SA node
sodium ions and water
aorta
20. First part of the cardia conduction pathway in teh ventircles
tricuspid valve
bundle of His...
stroke volume
superior and inferior caval veins
21. Electical activity of the heart may be depicted in an
ECG
myocardium
supply the heart with oxygenated blood
diastole
22. Part of the myocardium is deprived of its blood supply and becomes ______
cardiac reserve
superior and inferior caval veins
arrhythmias
ischemia
23. Heart chambers are lined with this
endocardium
vagus nerves
superior and inferior caval veins
closure of the valves
24. Visceral pericardium
epicardium
mediastinum
pressoreceptors in teh carotid and aortic sinuses
bundle of His...
25. Very rapid and uncoordinated ventricular beat
fibrullation
myocardium
diastole
aorta
26. Irregular heartbeats
arrhythmias
sodium ions and water
ischemia
aortic and pulmonary semilunar valves
27. Amount of blood pumped by a ventricle in 1 minute
cardiac output
aortic and pulmonary semilunar valves
systole
cardiac cycle
28. 1st branches of teh ascending aorta
superior and inferior caval veins
coronary arteries
cardiac cycle
closure of the valves
29. Contraction
ECG
cardiac cycle
systole
ischemia
30. Area in the thoracic cavity between the lungs
superior and inferior caval veins
bicuspid valve
closure of the valves
mediastinum
31. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
diastole
fibrous epicardium
60-80
32. Largest artery of the body
bundle of His...
aorta
systole
tricuspid valve
33. Relaxation of chambers of the heart
ischemia
fibrullation
diastole
endocardium
34. Coronary sinus receives blood directly from this
cardiac output
SA node
coronary veins
aortic and pulmonary semilunar valves
35. Heart is located here
stroke volume
venous return
medial to the lungs and superior to the diaphragm
diastole
36. Normal heart sounds are caused by
closure of the valves
pressoreceptors in teh carotid and aortic sinuses
bicuspid valve
SA node
37. The chambers of teh heart that receive blood from the veins
bradycardia
systole
right and left atria
is smooth to prevent abnormal clotting within the heart
38. Sequence of events in one heartbeat
cardiac cycle
venous return
vagus nerves
is smooth to prevent abnormal clotting within the heart
39. Narrowing of a valve
supply the heart with oxygenated blood
vagus nerves
myocardium
stenosis...
40. Backflow o fblood from the arteries to the ventricles is prevented by these
medial to the lungs and superior to the diaphragm
aortic and pulmonary semilunar valves
pressoreceptors in teh carotid and aortic sinuses
myocardium
41. Endocardium lines the chambers of the heart
stroke volume
is smooth to prevent abnormal clotting within the heart
right and left atria
aorta
42. Outermost of the pericardial membranes
coronary veins
ischemia
diastole
fibrous epicardium
43. Cardiac muscle tissue
coronary veins
endocardium
myocardium
mediastinum